Mitsubishi Electric Y Series Manual page 104

BC CONTROLLER
104
• System with multiple BC controllers
Heat source unit Outdoor unit
Main BC controller used with sub BC controller (JA1 and KA1 types)
Model
Number of branches
Connectable outdoor/heat
source unit capacity
Sub BC controller (KB1 type)
Model
Number of branches
Connectable main BC
controller
*When installing a sub BC controller, refer to the DATA BOOK for full details.
*The main BC controller has two ports for sub BC controllers. A low pressure pipe needs to be branched from the outdoor unit.
Features
• Drain pan design
Conventional model
Drain pan (externally attached)
• Piping
Conventional model
Main BC controller
(JA1 or KA1 type)
CMB-M108V-JA1 CMB-M1012V-JA1
8
(E)P200 to (E)P900
CMB-M104V-KB1 CMB-M108V-KB1
4
CMB-M108/1012/1016V-JA1,
CMB-P1016V-KA1
Branch piping from the sub BC
controller can be kept short.
*CMB-P V-J/V-JA/V-KA/V-KB
The drain pan
is externally
attached to the
BC controller.
*CMB-P V-JA/V-KA/V-KB
Low pressure piping
Sub BC controller
CMB-M1016V-JA1
12 16
8
Latest model
*CMB-M V-J1/V-JA1/V-KB1, CMB-P V-KA1
Drain pan (inbuilt/detachable)
Latest model
*CMB-M V-JA1/V-KB1, CMB-P V-KA1
Low pressure piping connected to a sub BC make
installation easier.
(KB1 type)
CMB-P1016V-KA1
16
(E)P200 to (E)P1100
Up to 11 sub BS controllers
can be connected to one
main BC controller.
BC = Main BC
BS = Sub BC
The drain pan on the latest
BC controller is inbuilt and can
be detached from the bottom
for easier maintenance.
Easier maintenance with
inbuilt detachable drain
pan.
Sub BC connection